package com.mycinema.biz;

import com.mycinema.entity.Shoppingcart;

public interface ShoppingCartBiz {
//添加商品
	void addCart(Shoppingcart cart,int id);
//移除商品
	void remove(Shoppingcart cart,int id);
//修改数量
	void update(Shoppingcart cart,int id,int quantity);
}
